<template>
    <div>子组件</div>
    <hr>
    从爷爷组件受到资金：{{ money }}
    <button @click="updateMoney(500)">单击按钮增加资金</button>
</template>

<script setup>
    import { inject } from 'vue';
    let money = inject('money')
    let updateMoney = inject('updateMoney')
</script>